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[OM] Re: OM-1 mercury cells / adapter / recalibration

Subject: [OM] Re: OM-1 mercury cells / adapter / recalibration
From: "John Hermanson" <omtech@xxxxxxxxx>
Date: Tue, 19 Apr 2005 08:15:21 -0400
You can get calibrated to one of your new mercury batteries and later 
convert to a separate MR9 adapter.

John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY, 11743-4714,
631-424-2121, www.zuiko.com
Olympus OM Service since 1977
----- Original Message ----- 
From: "Simon Worby" <simon@xxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Tuesday, April 19, 2005 3:29 AM
Subject: [OM] OM-1 mercury cells / adapter / recalibration

> I am about to send my father's OM-1 off for a CLA. The old chestnut of
> the battery "issue" reared its head.
> Both my father an I have a good stock of mercury cells in the fridge,
> hence we have no *need* for an adapter / re-calibration. This being the
> case, is it better to leave it at 1.35V? Or is it better to do something
> whilst it's in for the service anyway?
> Assuming a switch to 1.55V silver cells, is a re-calibration better, or
> is it better to use an adapter? I'm not an electronics expert, but IIRC
> the 1.55V cells drop in voltage over time, whereas the 1.35V cells stay
> constant almost till the end. This being the case, surely a
> re-calibration will mean the camera will give false readings as soon as
> the voltage drops slightly below 1.55V, whereas with an adapter reducing
> the voltage to 1.35V that voltage of 1.35V would stay constant until the
> 1.55V cell was flat. Or have I got the wrong end of the stick?
> Thanks in advance.
> Simon

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